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The rise of machine learning technology inspires a boom of its applications in electronic design automation (EDA) and helps improve the degree of automation in chip designs. However, manually crafted machine learning models require…

Models of human motion commonly focus either on trajectory prediction or action classification but rarely both. The marked heterogeneity and intricate compositionality of human motion render each task vulnerable to the data degradation and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-08 Anthony Bourached , Robert Gray , Xiaodong Guan , Ryan-Rhys Griffiths , Ashwani Jha , Parashkev Nachev

This paper proposes a novel population-based meta-heuristic optimization algorithm, called Perfectionism Search Algorithm (PSA), which is based on the psychological aspects of perfectionism. The PSA algorithm takes inspiration from one of…

Optimization and Control · Mathematics 2023-10-16 A. Ghodousian , M. Mollakazemiha , N. Karimian

In this paper, we propose a novel method, aggregation cross-entropy (ACE), for sequence recognition from a brand new perspective. The ACE loss function exhibits competitive performance to CTC and the attention mechanism, with much quicker…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Zecheng Xie , Yaoxiong Huang , Yuanzhi Zhu , Lianwen Jin , Yuliang Liu , Lele Xie

Variational Autoencoders (VAEs) have experienced recent success as data-generating models by using simple architectures that do not require significant fine-tuning of hyperparameters. However, VAEs are known to suffer from…

Machine Learning · Statistics 2020-07-22 Wei Cheng , Gregory Darnell , Sohini Ramachandran , Lorin Crawford

Deploying machine learning models requires high model quality and needs to comply with application constraints. That motivates hyperparameter optimization (HPO) to tune model configurations under deployment constraints. The constraints…

Machine Learning · Computer Science 2022-08-08 Yi-Wei Chen , Chi Wang , Amin Saied , Rui Zhuang

The Building Block Hypothesis (BBH) states that adaptive systems combine good partial solutions (so-called building blocks) to find increasingly better solutions. It is thought that Genetic Algorithms (GAs) implement the BBH. However, for…

Neural and Evolutionary Computing · Computer Science 2017-05-15 Jack McKay Fletcher , Thomas Wennekers

Molecular retrosynthesis is a significant and complex problem in the field of chemistry, however, traditional manual synthesis methods not only need well-trained experts but also are time-consuming. With the development of big data and…

Artificial Intelligence · Computer Science 2024-07-16 Yan Zhang , Hao Hao , Xiao He , Shuanhu Gao , Aimin Zhou

Generative adversarial networks, which can generate metasurfaces based on a training set of high performance device layouts, have the potential to significantly reduce the computational cost of the metasurface design process. However, basic…

Computational Physics · Physics 2019-12-03 Fufang Wen , Jiaqi Jiang , Jonathan A. Fan

In this paper, we propose a joint generative and contrastive representation learning method (GeCo) for anomalous sound detection (ASD). GeCo exploits a Predictive AutoEncoder (PAE) equipped with self-attention as a generative model to…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-23 Xiao-Min Zeng , Yan Song , Zhu Zhuo , Yu Zhou , Yu-Hong Li , Hui Xue , Li-Rong Dai , Ian McLoughlin

We develop a flexible Gaussian Process (GP) framework for learning the covariance structure of Age- and Year-specific mortality surfaces. Utilizing the additive and multiplicative structure of GP kernels, we design a genetic programming…

Machine Learning · Statistics 2024-11-20 Mike Ludkovski , Jimmy Risk

We present Adjacent Possible Exploration (APE), a selective fine-tuning method for adapting large language models that systematically explores parameter modifications while maintaining model stability. Inspired by evolutionary optimization…

Computation and Language · Computer Science 2025-06-10 Javier Marín

Automatic Heuristic Design (AHD) is an active research area due to its utility in solving complex search and NP-hard combinatorial optimization problems in the real world. The recent advancements in Large Language Models (LLMs) introduce…

Neural and Evolutionary Computing · Computer Science 2024-12-20 Pham Vu Tuan Dat , Long Doan , Huynh Thi Thanh Binh

Current context augmentation methods, such as retrieval-augmented generation, are essential for solving knowledge-intensive reasoning tasks. However, they typically adhere to a rigid, brute-force strategy that executes retrieval at every…

Computation and Language · Computer Science 2026-01-15 Rubing Chen , Jian Wang , Wenjie Li , Xiao-Yong Wei , Qing Li

Parallel search algorithms have been shown to improve planning speed by harnessing the multithreading capability of modern processors. One such algorithm PA*SE achieves this by parallelizing state expansions, whereas another algorithm…

Robotics · Computer Science 2023-03-13 Shohin Mukherjee , Maxim Likhachev

The CSA-ES is an Evolution Strategy with Cumulative Step size Adaptation, where the step size is adapted measuring the length of a so-called cumulative path. The cumulative path is a combination of the previous steps realized by the…

Machine Learning · Computer Science 2012-07-02 Alexandre Adrien Chotard , Anne Auger , Nikolaus Hansen

By remarkably reducing real fitness evaluations, surrogate-assisted evolutionary algorithms (SAEAs), especially hierarchical SAEAs, have been shown to be effective in solving computationally expensive optimization problems. The success of…

Neural and Evolutionary Computing · Computer Science 2021-03-02 Xiaodong Ren , Daofu Guo , Zhigang Ren , Yongsheng Liang , An Chen

Recent advances in the LLM-as-Extractor paradigm leverage large language models (LLMs) to transfer semantically rich item embeddings into sequential recommendation (SR) backbones. However, LLM-generated embeddings often suffer from strong…

Information Retrieval · Computer Science 2026-05-29 Dongcheol Lee , Hye-young Kim , Jongwuk Lee

Systematic generalization refers to the capacity to understand and generate novel combinations from known components. Despite recent progress by large language models (LLMs) across various domains, these models often fail to extend their…

Artificial Intelligence · Computer Science 2026-02-27 Philipp Mondorf , Shijia Zhou , Monica Riedler , Barbara Plank

Designing high-entropy alloys (HEAs) that are both mechanically hard and possess soft magnetic properties is inherently challenging, as a trade-off is needed for mechanical and magnetic properties. In this study, we optimize HEA…

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